The Factory Pro O-ARCP12R short rear lower suspension arm is an aftermarket replacement created for use on the ARC A11 chassis, offering a shorter option for the rear lower position.
Sold as one piece, this arm serves as a drop-in alternative to recover from damage or to trial a different rear arm length for tuning. The part is intended for ARC A11 compatibility only; confirm your chassis code before buying. Installation involves removing the rear lower arm pins and associated link hardware, fitting the short arm, and reassembling while checking alignment and any roll-center implications. In handling terms, a reduced arm length changes roll geometry and can affect rear grip and steering balance, so proceed with measured tuning adjustments.
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